Past means past, past and past. From Xunzi Xiangcheng: "Looking ahead, self-discipline, right and wrong can also be learned." "Historical Records Biography of Taishigong": "This person has a sense of stagnation and does not understand his way, so he tells the past and thinks about the newcomers."

Famous sayings about "the past":

1, why turn your head and look at Iraq like a dream?

2. Time is the best, and years are long. What was once considered eternal is now a thing of the past.

3. Passers-by are passers-by; The past will eventually turn into a cloud. No matter how unforgettable people are, no matter how deep things are, they can't stand the softness of time. Don't immerse yourself in the past, and don't let memories become fetters.